﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes;
using Microsoft.Phone.Controls;
using ASPItalia.ModelVirtualCasting.WP7.ViewModels;

namespace ASPItalia.ModelVirtualCasting.WP7
{
    public partial class MainPage : PhoneApplicationPage
    {

        private MainPageViewModel viewModel;

        // Constructor
        public MainPage()
        {
            InitializeComponent();

            this.DataContext = this.viewModel = new MainPageViewModel();
        }

        protected override void OnNavigatedTo(System.Windows.Navigation.NavigationEventArgs e)
        {
            base.OnNavigatedTo(e);

            if (!this.State.ContainsKey("started"))
                viewModel.LoadAsync();
        }

        protected override void OnNavigatingFrom(System.Windows.Navigation.NavigatingCancelEventArgs e)
        {
            base.OnNavigatingFrom(e);

            viewModel.Abort();
        }

        protected override void OnNavigatedFrom(System.Windows.Navigation.NavigationEventArgs e)
        {
            base.OnNavigatedFrom(e);

            this.State["started"] = true;
        }
    }
}